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1 ;; Record version number of Emacs.
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2 ;; Copyright (C) 1985, 1991-1994 Free Software Foundation, Inc.
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3
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70
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4 ;; This file is part of XEmacs.
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5
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70
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6 ;; XEmacs is free software; you can redistribute it and/or modify
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7 ;; it under the terms of the GNU General Public License as published by
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8 ;; the Free Software Foundation; either version 2, or (at your option)
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9 ;; any later version.
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10
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11 ;; XEmacs is distributed in the hope that it will be useful,
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12 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 ;; GNU General Public License for more details.
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15
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16 ;; You should have received a copy of the GNU General Public License
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70
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17 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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18 ;; Free Software Foundation Inc., 59 Temple Place - Suite 330,
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19 ;; Boston, MA 02111-1307, USA.
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20
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21 ;;; Synched up with: FSF 19.34.
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22
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23 ;;; Code:
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24
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149
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25 (defconst emacs-version "20.3"
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26 "Version numbers of this version of XEmacs.")
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27
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28 (defconst xemacs-codename "Zagreb"
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29 "Release nickname, primarily useful for trial prereleases.
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30 Warning, this variable did not exist in XEmacs versions prior to 20.3")
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0
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31
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157
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32 (defconst xemacs-betaname "(beta5)"
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33 "Non-nil when this is a test (beta) version of XEmacs.
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34 Warning, this variable did not exist in XEmacs versions prior to 20.3")
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35
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36 (setq emacs-version (purecopy (concat emacs-version
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37 " \""
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38 xemacs-codename
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39 "\" XEmacs Lucid "
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40 xemacs-betaname)))
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41
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42 (defconst emacs-major-version
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43 (progn (or (string-match "^[0-9]+" emacs-version)
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44 (error "emacs-version unparsable"))
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45 (string-to-int (match-string 0 emacs-version)))
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46 "Major version number of this version of Emacs, as an integer.
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47 Warning, this variable did not exist in Emacs versions earlier than:
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48 FSF Emacs: 19.23
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49 XEmacs: 19.10")
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50
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70
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51 (defconst emacs-minor-version
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52 (progn (or (string-match "^[0-9]+\\.\\([0-9]+\\)" emacs-version)
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53 (error "emacs-version unparsable"))
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54 (string-to-int (match-string 1 emacs-version)))
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55 "Minor version number of this version of Emacs, as an integer.
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56 Warning, this variable did not exist in Emacs versions earlier than:
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57 FSF Emacs: 19.23
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58 XEmacs: 19.10")
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0
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59
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70
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60 (defconst emacs-build-time (current-time-string)
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61 "Time at which Emacs was dumped out.")
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0
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62
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63 (defconst emacs-build-system (system-name))
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64
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65 (defun emacs-version (&optional arg)
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66 "Return string describing the version of Emacs that is running.
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67 When called interactively with a prefix argument, insert string at point.
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68 Don't use this function in programs to choose actions according
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69 to the system configuration; look at `system-configuration' instead."
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70
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70 (interactive "p")
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71 (let ((version-string
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72 (format
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73 "XEmacs %s [Lucid] (%s%s) of %s %s on %s"
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74 (substring emacs-version 0 (string-match " XEmacs" emacs-version))
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75 system-configuration
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140
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76 (cond ((or (and (fboundp 'featurep)
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77 (featurep 'mule))
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78 (memq 'mule features)) ", Mule")
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79 (t ""))
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70
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80 (substring emacs-build-time 0
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81 (string-match " *[0-9]*:" emacs-build-time))
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82 (substring emacs-build-time
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83 (string-match "[0-9]*$" emacs-build-time))
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84 emacs-build-system)))
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85 (cond
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86 ((null arg) version-string)
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87 ((eq arg 1) (message "%s" version-string))
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88 (t (insert version-string)))))
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0
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89
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90 ;; from emacs-vers.el
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91 (defun emacs-version>= (major &optional minor)
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92 "Return true if the Emacs version is >= to the given MAJOR and MINOR numbers.
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93 The MAJOR version number argument is required, but the MINOR version number
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94 argument is optional. If the minor version number is not specified (or is the
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95 symbol `nil') then only the major version numbers are considered in the test."
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96 (if (null minor)
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97 (>= emacs-major-version major)
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98 (or (> emacs-major-version major)
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99 (and (= emacs-major-version major)
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100 (>= emacs-minor-version minor)))))
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0
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101
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102 ;;; We hope that this alias is easier for people to find.
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103 (define-function 'version 'emacs-version)
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104
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105 ;; Put the emacs version number into the `pure[]' array in a form that
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106 ;; `what(1)' can extract from the executable or a core file. We don't
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107 ;; actually need this to be pointed to from lisp; pure objects can't
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108 ;; be GCed.
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109 (or (memq system-type '(vax-vms windows-nt ms-dos))
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110 (purecopy (concat "\n@" "(#)" (emacs-version)
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111 "\n@" "(#)" "Configuration: "
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112 system-configuration "\n")))
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113
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114 ;;Local variables:
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115 ;;version-control: never
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116 ;;End:
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117
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118 ;;; version.el ends here
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